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Diastereoselective Fischer-type pyrroloindole synthesis and its application to the synthesis of chiral pyrroloindole alkaloids
被引:18
|作者:
Nishida, A
[1
]
Ushigome, S
[1
]
Sugimoto, A
[1
]
Arai, S
[1
]
机构:
[1] Chiba Univ, Grad Sch Pharmaceut Sci, Inage Ku, Chiba 2638522, Japan
来源:
关键词:
asymmetric synthesis;
esermethole;
Fischer indole synthesis;
physostigmine;
pyrroloindole;
D O I:
10.3987/COM-05-S(K)71
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Facile access to optically active pyrroloindoles by Fischer-type pyrroloindole synthesis is investigated. The reaction using chiral hydrazines prepared from commercially available chiral amines proceeded with diastereoselective cyclization (up to 70% de), and a short-step conversion of the cycloadducts to (-)-desoxyeseroline and pyrroloindole alkaloids was achieved.
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页码:181 / 185
页数:5
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